Home / 1,445.13-2,176.29-1,347.93

Finding the Fourth Proportional to 1,445.13, 2,176.29 and 1,347.93

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Solution

The fourth proportional to 1,445.13, 2,176.29 and 1,347.93 is: 2,029.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445.13 : 2,176.29 = 1,347.93 : x
  2. Step 2: Convert to fraction form
    1,445.13/2,176.29 = 1,347.93/x
  3. Step 3: Cross multiply
    1,445.13x = 2,176.29 × 1,347.93
  4. Step 4: Simplify right side
    1,445.13x = 2,933,486.58
  5. Step 5: Solve for x
    x = 2,933,486.58/1,445.13
  6. Step 6: Final answer
    x = 2,029.91

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.